Woodwork-channeling machine



" Oct. 21, 1930. J. BOLDT WOODV IORK CHANNELING MACHINE Filed May 11, 1929 2 Sheets-Sheet l n venior W H/V 50 I q 407-.- By v A itomey 1930- J. BOLDT 1,779,206 I WOODWORK CHANNELING MACHINE Filed May 11, 1929 2 Sheets-Sheet 2 Inventor A itomcy Patented Oct. 21, 19 30 I Q i I I JOHN BoLD'r, or NEwronx, my, I

woonwoax-onnnunnmo 'Acnmn I Application filed May 11, 192*). Serial No. 362,417.

This invention relates to new and useful Arr'anged upon the extreme inner lower improvements in woodwork channeling ma- ,ends of these'shafts 6and 7. are intermeshing chines, and aims to provide a simple,combevel gears 11" and 12,tl1e back'faces of'which pact and efficient machine that may be servare formed withspacedradial channels 11' iceably, employed in home shops for use in I and 12",'respectively. Loose upon each shaft 55 the dove-tail channeling of woodwork, such in back of its particular gear is a collar 13 the as picture frames, window, frames, door inner face of each ofwhich is also formed frames and the like. u with spaced radially extending channels 14. I I An important object of this invention is Adapted for arrangementbetween the adto provide a machine of this characterwhereacent faces of the respective gears and colin the teeth of the cutters are radially ad- "lars 13 are cutter teeth'15 formed at their op just-able and removable in order that the posite sides with longitudinally extending depth of the channel may be regulated, and ribs 16-16 for-arrangement within the chanin order that the cutters may be easily sharpnels of the gears and collars as more clearly v ened or renewed. illustrated in Figure 3. Directly in back of In the drawings wherein like reference said collars13, the respective shafts are screw characters indicate corresponding gparts threaded, and have threaded thereon tight.- throughout the several views: ening nuts17 in order that the cutters will be Figure 1 1s a view partially in longitutightly locked in adjusted position between I 20 dinal cross section, and partially in side the gears and collars. elevation of my improved machine. From a consideration of Figure 1, it will Figure 2 is a detailed vertical section taken be noted that the teeth of one shaft are arthrough the center of the machine substanranged in staggered relation to the teeth of tially upon the line 2-2 of Figure 1,and the other shaft so that they actually cross. looking towards one of the cutters, which is At this crossing point, said teeth project fragmentarily illustrated, and through a slot in a suitable work support ar- Figure 3 is a fragmentary horizontal secranged upon the top of the frame 5. a tion through the cutter taken substantially In view of the foregoing description when upon the line 3-3 of Figure 2, for disclosconsidered in conjunction with the accoming the position of the cutter teeth within panying drawings, it will be apparent that I 80 the cutter unit. t. have provided a novel, simple and' useful Now having particular reference .to the wood work channeling machine that is well drawings, my novel machine consists of a adapted for all of the purposes heretofore suitable frame structure 5, preferably inthe designated, and even though I have herein form of acasting. This frame is constructed shown and described the invention as conto provide at opposite ends pairs of spaced sisting of certain detailed structural elements, shaft bearings 66 and 77, formed on an it-is nevertheless to be understood that some incline and within which are rotatably archanges may be made therein, without affectrangedrespective Shafts 6' and 7. One of ing the spirit and scope of the appended 4 the shafts between its bearings is equipped claims. 7 $0 with a belt pulley 8, in order that the machine Having thus described my-invention, what may be power driven. However, if desired, I claim as new, and desire to secure by Let said shaft may be equipped with a crank hanters Patent, is dle or other manuall operable power means. 1. In a w dw rk han li hi a v The inner ends 0 these shafts 6 and 7 frame, a pair of oppositely extending shafts are rounded out and are supported at their journalled within the frame and inclining to inner ends by a ball bearing 9, supported wards their inner ends, intermeshing bevelled upon the upper end of a suitable standard gears. upon the inner ends of the shafts, 10 formed as a part of the frame casting 5 clamping collars loosely arranged upon the at the'center thereof. v shafts in back of said gears, a plurality of radial cutting teeth arranged between the gears and collars 0f the respective shafts, the teeth of one shaft being arranged intermediate the teeth of the other shaft and said teeth crossing each other at a point in a vertical line bisecting the angle formed by the axes of said shafts, means associated with each shaft whereby to tightly maintain the collars in teeth securing p ition and a support for the inner ends of the shaft conmrisin (Y a standard having a thrust bail in onnted thereon, and embraced between the adjacent shaft ends.

2. In a Woodwork channeling machine, a frame, a pair of oppositely extending shafts each having a recess in inn end, said shafts being jonrnaiied within the frame and inclining towards their enter ds, a ball bearing support for the inner lower ends of said shafts, a thrnst ball bearing n'iennted on said support and receiving the recessed ends of the shafts tlw eover interlncshing gears upon the inner ends oi the eilatts and a plurality of spaced cutter te ti arrz'rnged upon the inner ends of the shafts.

In testimony whereeit' I affix n y signature.

JOHN BoLD'r 

